https://github.com/snehasish updated https://github.com/llvm/llvm-project/pull/179756
>From 811479ddb6c9cff78d0681b8af3d506658aff56e Mon Sep 17 00:00:00 2001 From: Snehasish Kumar <[email protected]> Date: Tue, 3 Feb 2026 04:21:49 +0000 Subject: [PATCH] InstCombine: Set unknown profile metadata in logic-to-select folding --- llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 3 +++ llvm/utils/profcheck-xfail.txt | 1 - 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 978ff161a205d..832e3b3a2ae00 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -3329,6 +3329,9 @@ Value *InstCombinerImpl::matchSelectFromAndOr(Value *A, Value *B, Value *C, D = Builder.CreateNot(D); Value *BitcastD = Builder.CreateBitCast(D, SelTy); Value *Select = Builder.CreateSelect(Cond, BitcastB, BitcastD); + if (!ProfcheckDisableMetadataFixes) + if (auto *I = dyn_cast<Instruction>(Select)) + setExplicitlyUnknownBranchWeightsIfProfiled(*I, DEBUG_TYPE, &F); return Builder.CreateBitCast(Select, OrigType); } diff --git a/llvm/utils/profcheck-xfail.txt b/llvm/utils/profcheck-xfail.txt index 85cb131f81824..c3d24cfe83d71 100644 --- a/llvm/utils/profcheck-xfail.txt +++ b/llvm/utils/profcheck-xfail.txt @@ -224,7 +224,6 @@ Transforms/InstCombine/load-bitcast-select.ll Transforms/InstCombine/load.ll Transforms/InstCombine/load-select.ll Transforms/InstCombine/loadstore-metadata.ll -Transforms/InstCombine/logical-select-inseltpoison.ll Transforms/InstCombine/logical-select.ll Transforms/InstCombine/lshr.ll Transforms/InstCombine/memchr-11.ll _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
